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Finding the Fourth Proportional to 155,234.28, 232,894.26 and 61,805.64

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Solution

The fourth proportional to 155,234.28, 232,894.26 and 61,805.64 is: 92,725.52

Step by Step Solution

  1. Step 1: Write the proportion equation
    155,234.28 : 232,894.26 = 61,805.64 : x
  2. Step 2: Convert to fraction form
    155,234.28/232,894.26 = 61,805.64/x
  3. Step 3: Cross multiply
    155,234.28x = 232,894.26 × 61,805.64
  4. Step 4: Simplify right side
    155,234.28x = 14,394,178,791.63
  5. Step 5: Solve for x
    x = 14,394,178,791.63/155,234.28
  6. Step 6: Final answer
    x = 92,725.52

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.